netdev - Re: [PATCH net-next] net: mvmdio: fix driver probe on missing irq

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Message-ID: <20200319052119.4e694c8b@nic.cz>
Date:   Thu, 19 Mar 2020 05:21:19 +0100
From:   Marek Behun <marek.behun@....cz>
To:     Chris Packham <Chris.Packham@...iedtelesis.co.nz>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "andrew@...n.ch" <andrew@...n.ch>
Subject: Re: [PATCH net-next] net: mvmdio: fix driver probe on missing irq

On Thu, 19 Mar 2020 02:00:57 +0000
Chris Packham <Chris.Packham@...iedtelesis.co.nz> wrote:

> Hi Marek,
> 
> On Thu, 2020-03-19 at 02:29 +0100, Marek Behún wrote:
> > Commit e1f550dc44a4 made the use of platform_get_irq_optional, which can
> > return -ENXIO when interrupt is missing. Handle this as non-error,
> > otherwise the driver won't probe.  
> 
> This has already been fixed in net/master by reverting e1f550dc44a4 and
> replacing it with fa2632f74e57bbc869c8ad37751a11b6147a3acc.

:( It isn't in net-next. I've spent like an hour debugging it :-D